The eco-chimney is an improved eco-friendly version of the conventional chimney used in brick kilns. In a kiln, the bricks are evenly burnt by the help of the inner and outer arch; the flue gas travels through both inner and outer arches evenly, so that the heating process is proper. The flue gas travels though a long duct and thus the spm sticker area in increased. The flue gas filter is linked with two settling chambers that incorporates a special type of cyclonic system of settling chamber; the green bricks arrangement in the main duct also acts as a good filter zone. It also helps to increase the life span of the valves and controls the leakage; all the above features control the pollution with great amount of fuel saving. Salient features: chimneys with varied height, particularly small dia with any height, which is not possible with conventional chimney; approved by the cpcb, india; comparatively weighs less than brick and metal chimney; suitable for all weather conditions, can be erected on loose soil also, highly economical and erection time is limited; non-corrosive unlike steel chimney, also tested and approved by the energy resource institute, india; does not require any fire proof lining insulation and there is good ventilation inside the chimney; no heat radiation effects on the metal liners; unaffected due to the temperature circumferential and vertical stresses; duly patented by the govt of india, vide patent no. 194863 dt.05. 12.02; the steel tower acts as lightening resister, the chimney is wind resistant and serves as a permanent scaffold for erection and maintenance; the inner surface of the chimney is smooth so that the exit velocity is not affected.
